Download Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS).300-910.ExamTopics.2025-07-24.113q.tqb

Vendor: Cisco
Exam Code: 300-910
Exam Name: Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS)
Date: Jul 24, 2025
File Size: 6 MB
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Demo Questions

Question 1
Fill in the blanks to describe the concepts of extending DevOps practices to the network for NetDevOps.
NetDevOps builds and manages networks as a system that enables network services to be consumed in a DevOps approach. Organizations practicing
NetDevOps see changes in the _________ as routine and expected activities, with a well-defined and practiced process for _________ , testing, and __________ network changes. By making them routine, network changes can be small and simple.
  1. network, designing, deploying
Correct answer: network, designing, deploying
Explanation:
Reference:https://blogs.cisco.com/developer/embrace-netdevops-part-1
Reference:
https://blogs.cisco.com/developer/embrace-netdevops-part-1
Question 2
When static routes are added to a router in a network using a CI/CD pipeline, an Ansible playbook is used to make these changes. Which steps must be added to the pipeline to validate that the changes have the intended effect on the traffic flow?
  1. Add a step to run the debug ip routing command before the change, and add a step after the change to issue the no debug ip routing command.
  2. Add a step to capture the routing table before the change, and add a step after the change to capture it again. Calculate the difference between the two for review.
  3. Add a step to ping a host on each of the static routes before the change, and a step after to repeat the same check. Calculate the difference between the two checks for review.
  4. Add a step to run the same playbook again with the debug option enabled and use grep on the log output to ensure that the commands are not applied again.
Correct answer: B
Question 3
A DevOps engineer is supporting a containerized application with multiple components running across the Kubernetes cluster. Metrics from the container (CPU and memory) and application (requests per second and heap size) are being collected by Prometheus and displayed with Grafana. Users report transaction timeout problems with the application, but the metric graphs all look within normal levels.
Which type of failure would prevent the engineer from seeing the problem using the captured metrics?
  1. Grafana has lost connectivity to Prometheus, which causes graphs to display only the cached data.
  2. CPU and memory metrics from Kubernetes nodes are not accurate due to the way that containers share resources.
  3. Some containers are crashing regularly and being restarted automatically by Kubernetes.
  4. The metricbeat agent has crashed and is no longer sending new data to Prometheus, so the metrics are not updating.
Correct answer: D
Question 4
An organization is developing an application using Git. Each team member is assigned to work on specific parts of the application. At the end of each task, individual code parts are merged in the main build.
Which two requirements should be implemented to increase the likelihood of continuous integration? (Choose two.)
  1. Changes must be scheduled to deploy at a specific time that has minimal traffic
  2. Changes must include automated tests
  3. Changes must be validated during deployment to the production environment
  4. Smaller, individually testable changes must be merged first
  5. Team members must be responsible for the code committed by any team member
Correct answer: BC
Question 5
Refer to the exhibit. What are the properties of the load balancer in a Kubernetes environment?
  1. Has exposed ports 80 and 8080 to a private IP address and directs outgoing connections to the port named http-port1
  2. Has exposed ports 80 and 8080 to a public IP address and directs incoming connections to the port named nginx-port
  3. Forwards incoming traffic from the port named nginx-port to ports 80 and 8080 of nginxapp
  4. Forwards any outgoing traffic from the port named nginx-port to exposed ports http-port1 and http-port2 of nginxapp
Correct answer: B
Question 6
A precheck validation is being designed for the network state in a Cl/CD pipeline This design requires:
  • the CI/CD pipeline to spin up test instances.
  • instances must be used to validate changes.
  • changes must be validated prior to a continuous deployment workflow, and
  • then push the changes to production
How should the pipeline target the required environment?
  1. Use separate CI servers for each environment
  2. Use different pipelines for each environment
  3. Use separate Git repositories for each environment
  4. Use different inventory files for each environment
Correct answer: D
Question 7
Which approach must be used to integrate DevOps practices into the team structure in an existing organization?
  1. Create a team that can deliver all the stages with active cooperation between the team members
  2. Create a team that can deliver all the stages with well-defined roles and a communication structure between team members
  3. Create a team for each stage with structured communication channels
  4. Create a team for each stage with active cooperation between the teams
Correct answer: A
Question 8
A three-tier web application must be moved to containers. A webserver is already in place, and the middleware container can talk to a central database server. The hostname of the database server is known, but the name of the middleware server must be provided to the webserver.
In which file should the name of the middleware server be configured?
  1. Docker Service discovery daemon
  2. Docker Swarm
  3. Docker Compose
  4. Dynamic Host Configuration Protocol
Correct answer: A
Question 9
What are two testing scenarios of the chaos engineering principle? (Choose two.)
  1. maxing out CPU cores on an Elasticsearch duster
  2. removing all users from a version control system
  3. executing routine in driver code to emulate I/O errors
  4. blocking developers’ building access
  5. unplugging a core switch device
Correct answer: AE
Question 10
Refer to the exhibit. How does the architecture respond to a usage spike?
  1. The monitoring software instructs the Orchestrator to increase the count of containers and to configure the load balancer accordingly
  2. The database prioritizes quick and immediate queries over complicated ones to reduce the request queue
  3. The Orchestrator increases the resources assigned to containers to increase performance
  4. The load balancer interacts with the Orchestrator to optimize the balancing algorithm to match the incoming flow of requests
Correct answer: D
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